65980366437 has 8 divisors (see below), whose sum is σ = 87976204960. Its totient is φ = 43985719440.

The previous prime is 65980366429. The next prime is 65980366453. The reversal of 65980366437 is 73466308956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65980366437 - 2³ = 65980366429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980366457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159487 + ... + 396732.

It is an arithmetic number, because the mean of its divisors is an integer number (10997025620).

Almost surely, 2^65980366437 is an apocalyptic number.

It is an amenable number.

65980366437 is a deficient number, since it is larger than the sum of its proper divisors (21995838523).

65980366437 is a wasteful number, since it uses less digits than its factorization.

65980366437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595763.

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 65980366437 in words is "sixty-five billion, nine hundred eighty million, three hundred sixty-six thousand, four hundred thirty-seven".